Edit C:\Program Files\Java\jdk1.8.0_121\javafx\scene\effect\Glow.java

/*
 * Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package javafx.scene.effect;

import javafx.beans.property.DoubleProperty;
import javafx.beans.property.DoublePropertyBase;
import javafx.beans.property.ObjectProperty;
import javafx.scene.Node;

import com.sun.javafx.util.Utils;
import com.sun.javafx.effect.EffectDirtyBits;
import com.sun.javafx.geom.BaseBounds;
import com.sun.javafx.geom.transform.BaseTransform;
import com.sun.javafx.scene.BoundsAccessor;

/**
 * A high-level effect that makes the input image appear to glow,
 * based on a configurable threshold.
 *
 * 
 * Example:
 * <pre><code>
 * Image image = new Image("boat.jpg");
 * ImageView imageView = new ImageView(image);
 * imageView.setFitWidth(200);
 * imageView.setPreserveRatio(true);
 *
 * imageView.setEffect(new Glow(0.8));
 * </pre></code>
 * 
 * The code above applied on this image: 
 * 
 * <img src="doc-files/photo.png"/>
 * 
 * produces the following: 
 * 
 * <img src="doc-files/glow.png"/>
 * 
 * @since JavaFX 2.0
 */
public class Glow extends Effect {
 /**
 * Creates a new instance of Glow with default parameters.
 */
 public Glow() {}

/**
     * Creates a new instance of Glow with specified level.
     * @param level the level value, which controls the intensity
     * of the glow effect
     */
    public Glow(double level) {
        setLevel(level);
    }

@Override
 com.sun.scenario.effect.Glow impl_createImpl() {
 return new com.sun.scenario.effect.Glow();
 };
 /**
 * The input for this {@code Effect}.
 * If set to {@code null}, or left unspecified, a graphical image of
 * the {@code Node} to which the {@code Effect} is attached will be
 * used as the input.
 * @defaultValue null
 */
 private ObjectProperty<Effect> input;

public final void setInput(Effect value) {
        inputProperty().set(value);
    }

public final Effect getInput() {
        return input == null ? null : input.get();
    }

public final ObjectProperty<Effect> inputProperty() {
 if (input == null) {
 input = new EffectInputProperty("input");
 }
 return input;
 }

@Override
    boolean impl_checkChainContains(Effect e) {
        Effect localInput = getInput();
        if (localInput == null)
            return false;
        if (localInput == e)
            return true;
        return localInput.impl_checkChainContains(e);
    }

/**
 * The level value, which controls the intensity of the glow effect.
 * <pre>
 * Min: 0.0
 * Max: 1.0
 * Default: 0.3
 * Identity: 0.0
 * </pre>
 * @defaultValue 0.3
 */
 private DoubleProperty level;

public final void setLevel(double value) {
        levelProperty().set(value);
    }

public final double getLevel() {
        return level == null ? 0.3 : level.get();
    }

public final DoubleProperty levelProperty() {
        if (level == null) {
            level = new DoublePropertyBase(0.3) {

@Override
                public void invalidated() {
                    markDirty(EffectDirtyBits.EFFECT_DIRTY);
                }

@Override
                public Object getBean() {
                    return Glow.this;
                }

@Override
                public String getName() {
                    return "level";
                }
            };
        }
        return level;
    }

@Override
    void impl_update() {
        Effect localInput = getInput();
        if (localInput != null) {
            localInput.impl_sync();
        }

com.sun.scenario.effect.Glow peer =
                (com.sun.scenario.effect.Glow) impl_getImpl();
        peer.setInput(localInput == null ? null : localInput.impl_getImpl());
        peer.setLevel((float)Utils.clamp(0, getLevel(), 1));
    }

/**
     * @treatAsPrivate implementation detail
     * @deprecated This is an internal API that is not intended for use and will be removed in the next version
     */
    @Deprecated
    @Override
    public BaseBounds impl_getBounds(BaseBounds bounds,
                                     BaseTransform tx,
                                     Node node,
                                     BoundsAccessor boundsAccessor) {
        return getInputBounds(bounds, tx, node, boundsAccessor, getInput());
    }

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